Business and Credit Concentrations (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Foreign customers outside the U.S. and Canada [Member]
Schedule of significant portions of the Company's net sales
Net sales, percentage	45.30%	26.90%	37.90%	32.10%
Customer Concentration Risk [Member]
Schedule of significant portions of the Company's net sales
Net sales, percentage	18.90%